20898778808

素因数分解:

$2^3\times {\mathrm{39857}}^1\times {\mathrm{65543}}^1$

素因数の和:105406

約数の個数: 16

約数和(自身を含む): 39186791280

約数和(自身を除く): 18288012472

約数列:

[1, 2, 4, 8, 39857, 65543, 79714, 131086, 159428, 262172, 318856, 524344, 2612347351, 5224694702, 10449389404, 20898778808]

約数ペア:

[(1, 20898778808), (2, 10449389404), (4, 5224694702), (8, 2612347351), (39857, 524344), (65543, 318856), (79714, 262172), (131086, 159428)]